It's part of a new generation of blood thinners seen as big money makers by analysts and the pharmaceutical industry, and viewed by doctors and patients as possible improvements over the long-time standard, warfarin. Warfarin, sold under brands including Coumadin, is inexpensive but requires frequent blood tests to get the dosage right to prevent dangerous internal bleeding.___ By The Associated Press(equals) The Dow Jones industrial average rose 14.64 points to close at 13,306.64. The Standard & Poor's 500 was up 5.80 points to 1,437.92. The Nasdaq composite barely moved, up 0.61 points at 3,136.42. Benchmark crude rose 89 cents to finish at $96.42 per barrel. Brent crude, used to price international varieties of oil, rose 76 cents to end at $114.25 on the ICE Futures exchange in London. Wholesale gasoline rose 3 cents to finish at $3.02 a gallon. Heating oil rose less than a penny to end at $3.15 a gallon. Natural gas lost 9 cents to finish at $2.68 per 1,000 cubic feet.